Description:
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When using PHP in FastCGI mode, PHP has a tendency to once
in a while spin in a tight loop, hogging the cpu.
The fix is to initialize errno to 0 before any call to read()
in the safe_read function in sapi/cgi/fastcgi.c
Reproduce code:
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Not applicable
Expected result:
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n.a.
Actual result:
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n.a.